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Finding the Fourth Proportional to 17,758.52, 26,630.48 and 6,659.49

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Solution

The fourth proportional to 17,758.52, 26,630.48 and 6,659.49 is: 9,986.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,758.52 : 26,630.48 = 6,659.49 : x
  2. Step 2: Convert to fraction form
    17,758.52/26,630.48 = 6,659.49/x
  3. Step 3: Cross multiply
    17,758.52x = 26,630.48 × 6,659.49
  4. Step 4: Simplify right side
    17,758.52x = 177,345,431.90
  5. Step 5: Solve for x
    x = 177,345,431.90/17,758.52
  6. Step 6: Final answer
    x = 9,986.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.